Index: undo_old.c
===================================================================
--- undo_old.c	(revision 21075)
+++ undo_old.c	(revision 21076)
@@ -929,7 +929,7 @@
 /* ---------------------------------------------------------------------------
  * adds an object to the list of 90-deg rotated objects
  */
-void pcb_undo_add_obj_to_rotate90(int Type, void *Ptr1, void *Ptr2, void *Ptr3, pcb_coord_t CenterX, pcb_coord_t CenterY, pcb_uint8_t Steps)
+void pcb_undo_add_obj_to_rotate90(int Type, void *Ptr1, void *Ptr2, void *Ptr3, pcb_coord_t CenterX, pcb_coord_t CenterY, unsigned int Steps)
 {
 	UndoListTypePtr undo;